Research Article
R Dump Converter without DC Link Capacitor for an 8/6 SRM: Experimental Investigation
Table 2
Comparison of speed with DC and sinusoidal excitation with DC current reference.
| Constant current reference (A) | Experimental analysis | Theoretical analysis | DC excitation (with capacitor) | Sinusoidal excitation (without capacitor) | DC excitation (with capacitor) | Sinusoidal excitation (without capacitor) | Average speed (RPM) | Speed ripple % | Average speed (RPM) | Speed ripple % | Average speed (RPM) | Speed ripple % | Average speed (RPM) | Speed ripple % |
| 0.4 | 215 | 2.79 | 345 | 2.90 | 208 | 2.65 | 328 | 2.47 | 0.5 | 706 | 1.27 | 1829 | 1.20 | 659 | 1.17 | 1810 | 1.14 | 0.6 | 1518 | 0.46 | 2353 | 0.76 | 1478 | 0.41 | 2286 | 0.82 | 0.7 | 1973 | 0.35 | 2553 | 0.86 | 1952 | 0.32 | 2458 | 0.80 | 0.8 | 2307 | 1.52 | 2764 | 0.90 | 2295 | 1.57 | 2714 | 0.92 | 0.9 | 2469 | 0.81 | 2798 | 0.64 | 2423 | 0.88 | 2782 | 0.84 | 1.0 | 2510 | 0.84 | 2816 | 0.96 | 2498 | 0.85 | 2793 | 0.92 | 1.2 | 2620 | 0.88 | 2830 | 1.41 | 2601 | 0.83 | 2822 | 0.86 | 1.5 | 2934 | 1.29 | 2975 | 0.85 | 2896 | 0.81 | 2965 | 0.78 |
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